/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
   Agreement, and all incorporated terms including the JUCE Privacy Policy and
   the JUCE Website Terms of Service, as applicable, which will bind you. If you
   do not agree to the terms of these agreements, we will not license the JUCE
   framework to you, and you must discontinue the installation or download
   process and cease use of the JUCE framework.

   JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
   JUCE Privacy Policy: https://juce.com/juce-privacy-policy
   JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/

   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

StringArray::StringArray() noexcept
{
}

StringArray::StringArray (const StringArray& other)
    : strings (other.strings)
{
}

StringArray::StringArray (StringArray&& other) noexcept
    : strings (std::move (other.strings))
{
}

StringArray::StringArray (Array<String>&& other) noexcept
    : strings (std::move (other))
{
}

StringArray::StringArray (const String& firstValue)
{
    strings.add (firstValue);
}

StringArray::StringArray (const String* initialStrings, int numberOfStrings)
{
    strings.addArray (initialStrings, numberOfStrings);
}

StringArray::StringArray (const char* const* initialStrings)
{
    strings.addNullTerminatedArray (initialStrings);
}

StringArray::StringArray (const char* const* initialStrings, int numberOfStrings)
{
    strings.addArray (initialStrings, numberOfStrings);
}

StringArray::StringArray (const wchar_t* const* initialStrings)
{
    strings.addNullTerminatedArray (initialStrings);
}

StringArray::StringArray (const wchar_t* const* initialStrings, int numberOfStrings)
{
    strings.addArray (initialStrings, numberOfStrings);
}

StringArray::StringArray (const std::initializer_list<const char*>& stringList)
{
    strings.addArray (stringList);
}

StringArray& StringArray::operator= (const StringArray& other)
{
    strings = other.strings;
    return *this;
}

StringArray& StringArray::operator= (StringArray&& other) noexcept
{
    strings = std::move (other.strings);
    return *this;
}

bool StringArray::operator== (const StringArray& other) const noexcept
{
    return strings == other.strings;
}

bool StringArray::operator!= (const StringArray& other) const noexcept
{
    return ! operator== (other);
}

void StringArray::swapWith (StringArray& other) noexcept
{
    strings.swapWith (other.strings);
}

void StringArray::clear()
{
    strings.clear();
}

void StringArray::clearQuick()
{
    strings.clearQuick();
}

const String& StringArray::operator[] (int index) const noexcept
{
    if (isPositiveAndBelow (index, strings.size()))
        return strings.getReference (index);

    static String empty;
    return empty;
}

String& StringArray::getReference (int index) noexcept
{
    return strings.getReference (index);
}

const String& StringArray::getReference (int index) const noexcept
{
    return strings.getReference (index);
}

void StringArray::add (String newString)
{
    // NB: the local temp copy is to avoid a dangling pointer if the
    // argument being passed-in is a reference into this array.
    strings.add (std::move (newString));
}

void StringArray::insert (int index, String newString)
{
    // NB: the local temp copy is to avoid a dangling pointer if the
    // argument being passed-in is a reference into this array.
    strings.insert (index, std::move (newString));
}

bool StringArray::addIfNotAlreadyThere (const String& newString, bool ignoreCase)
{
    if (contains (newString, ignoreCase))
        return false;

    add (newString);
    return true;
}

void StringArray::addArray (const StringArray& otherArray, int startIndex, int numElementsToAdd)
{
    jassert (this != &otherArray); // can't add from our own elements!

    if (startIndex < 0)
    {
        jassertfalse;
        startIndex = 0;
    }

    if (numElementsToAdd < 0 || startIndex + numElementsToAdd > otherArray.size())
        numElementsToAdd = otherArray.size() - startIndex;

    while (--numElementsToAdd >= 0)
        strings.add (otherArray.strings.getReference (startIndex++));
}

void StringArray::mergeArray (const StringArray& otherArray, bool ignoreCase)
{
    jassert (this != &otherArray); // can't add from our own elements!

    for (auto& s : otherArray)
        addIfNotAlreadyThere (s, ignoreCase);
}

void StringArray::set (int index, String newString)
{
    strings.set (index, std::move (newString));
}

bool StringArray::contains (StringRef stringToLookFor, bool ignoreCase) const
{
    return indexOf (stringToLookFor, ignoreCase) >= 0;
}

int StringArray::indexOf (StringRef stringToLookFor, bool ignoreCase, int i) const
{
    if (i < 0)
        i = 0;

    auto numElements = size();

    if (ignoreCase)
    {
        for (; i < numElements; ++i)
            if (strings.getReference (i).equalsIgnoreCase (stringToLookFor))
                return i;
    }
    else
    {
        for (; i < numElements; ++i)
            if (stringToLookFor == strings.getReference (i))
                return i;
    }

    return -1;
}

void StringArray::move (int currentIndex, int newIndex) noexcept
{
    strings.move (currentIndex, newIndex);
}

//==============================================================================
void StringArray::remove (int index)
{
    strings.remove (index);
}

void StringArray::removeString (StringRef stringToRemove, bool ignoreCase)
{
    if (ignoreCase)
    {
        for (int i = size(); --i >= 0;)
            if (strings.getReference (i).equalsIgnoreCase (stringToRemove))
                strings.remove (i);
    }
    else
    {
        for (int i = size(); --i >= 0;)
            if (stringToRemove == strings.getReference (i))
                strings.remove (i);
    }
}

void StringArray::removeRange (int startIndex, int numberToRemove)
{
    strings.removeRange (startIndex, numberToRemove);
}

//==============================================================================
void StringArray::removeEmptyStrings (bool removeWhitespaceStrings)
{
    if (removeWhitespaceStrings)
    {
        for (int i = size(); --i >= 0;)
            if (! strings.getReference (i).containsNonWhitespaceChars())
                strings.remove (i);
    }
    else
    {
        for (int i = size(); --i >= 0;)
            if (strings.getReference (i).isEmpty())
                strings.remove (i);
    }
}

void StringArray::trim()
{
    for (auto& s : strings)
        s = s.trim();
}

//==============================================================================
void StringArray::sort (bool ignoreCase)
{
    if (ignoreCase)
        std::sort (strings.begin(), strings.end(),
                   [] (const String& a, const String& b) { return a.compareIgnoreCase (b) < 0; });
    else
        std::sort (strings.begin(), strings.end());
}

void StringArray::sortNatural()
{
    std::sort (strings.begin(), strings.end(),
               [] (const String& a, const String& b) { return a.compareNatural (b) < 0; });
}

//==============================================================================
String StringArray::joinIntoString (StringRef separator, int start, int numberToJoin) const
{
    auto last = (numberToJoin < 0) ? size()
                                   : jmin (size(), start + numberToJoin);

    if (start < 0)
        start = 0;

    if (start >= last)
        return {};

    if (start == last - 1)
        return strings.getReference (start);

    auto separatorBytes = separator.text.sizeInBytes() - sizeof (String::CharPointerType::CharType);
    auto bytesNeeded = (size_t) (last - start - 1) * separatorBytes;

    for (int i = start; i < last; ++i)
        bytesNeeded += strings.getReference (i).getCharPointer().sizeInBytes() - sizeof (String::CharPointerType::CharType);

    String result;
    result.preallocateBytes (bytesNeeded);

    auto dest = result.getCharPointer();

    while (start < last)
    {
        auto& s = strings.getReference (start);

        if (! s.isEmpty())
            dest.writeAll (s.getCharPointer());

        if (++start < last && separatorBytes > 0)
            dest.writeAll (separator.text);
    }

    dest.writeNull();
    return result;
}

int StringArray::addTokens (StringRef text, const bool preserveQuotedStrings)
{
    return addTokens (text, " \n\r\t", preserveQuotedStrings ? "\"" : "");
}

int StringArray::addTokens (StringRef text, StringRef breakCharacters, StringRef quoteCharacters)
{
    int num = 0;

    if (text.isNotEmpty())
    {
        for (auto t = text.text;;)
        {
            auto tokenEnd = CharacterFunctions::findEndOfToken (t,
                                                                breakCharacters.text,
                                                                quoteCharacters.text);
            strings.add (String (t, tokenEnd));
            ++num;

            if (tokenEnd.isEmpty())
                break;

            t = ++tokenEnd;
        }
    }

    return num;
}

int StringArray::addLines (StringRef sourceText)
{
    int numLines = 0;
    auto text = sourceText.text;
    bool finished = text.isEmpty();

    while (! finished)
    {
        for (auto startOfLine = text;;)
        {
            auto endOfLine = text;

            switch (text.getAndAdvance())
            {
                case 0:     finished = true; break;
                case '\n':  break;
                case '\r':  if (*text == '\n') ++text; break;
                default:    continue;
            }

            strings.add (String (startOfLine, endOfLine));
            ++numLines;
            break;
        }
    }

    return numLines;
}

StringArray StringArray::fromTokens (StringRef stringToTokenise, bool preserveQuotedStrings)
{
    StringArray s;
    s.addTokens (stringToTokenise, preserveQuotedStrings);
    return s;
}

StringArray StringArray::fromTokens (StringRef stringToTokenise,
                                     StringRef breakCharacters,
                                     StringRef quoteCharacters)
{
    StringArray s;
    s.addTokens (stringToTokenise, breakCharacters, quoteCharacters);
    return s;
}

StringArray StringArray::fromLines (StringRef stringToBreakUp)
{
    StringArray s;
    s.addLines (stringToBreakUp);
    return s;
}

//==============================================================================
void StringArray::removeDuplicates (bool ignoreCase)
{
    for (int i = 0; i < size() - 1; ++i)
    {
        auto s = strings.getReference (i);

        for (int nextIndex = i + 1;;)
        {
            nextIndex = indexOf (s, ignoreCase, nextIndex);

            if (nextIndex < 0)
                break;

            strings.remove (nextIndex);
        }
    }
}

void StringArray::appendNumbersToDuplicates (bool ignoreCase,
                                             bool appendNumberToFirstInstance,
                                             CharPointer_UTF8 preNumberString,
                                             CharPointer_UTF8 postNumberString)
{
    if (preNumberString.getAddress() == nullptr)
        preNumberString = CharPointer_UTF8 (" (");

    if (postNumberString.getAddress() == nullptr)
        postNumberString = CharPointer_UTF8 (")");

    for (int i = 0; i < size() - 1; ++i)
    {
        auto& s = strings.getReference (i);
        auto nextIndex = indexOf (s, ignoreCase, i + 1);

        if (nextIndex >= 0)
        {
            auto original = s;
            int number = 0;

            if (appendNumberToFirstInstance)
                s = original + String (preNumberString) + String (++number) + String (postNumberString);
            else
                ++number;

            while (nextIndex >= 0)
            {
                set (nextIndex, (*this)[nextIndex] + String (preNumberString) + String (++number) + String (postNumberString));
                nextIndex = indexOf (original, ignoreCase, nextIndex + 1);
            }
        }
    }
}

void StringArray::ensureStorageAllocated (int minNumElements)
{
    strings.ensureStorageAllocated (minNumElements);
}

void StringArray::minimiseStorageOverheads()
{
    strings.minimiseStorageOverheads();
}

} // namespace juce
